Calphalon Premier™ Space Saving Stainless Steel Cookware securely stacks to save 30% more space*. Plus, the unique cookware design and flat glass covers stack and nest in any order**. The Calphalon Premier™ Space Saving 4qt chef's pan and cover have 10” diameters and can stack with other 10” diameter products to save more space in the kitchen. This cookware is crafted with a heavy-gauge aluminum core to quickly and evenly distribute heat. The 3-layer metal construction is dishwasher safe and induction capable.